<template>
  <el-container>
    <el-header>
      <div class="left-panel">
        <el-button
          type="primary"
          icon="el-icon-plus"
          @click="add"
        />
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          :disabled="selection.length==0"
          @click="batch_del"
        />
        <el-button
          type="primary"
          plain
          :disabled="selection.length!=1"
          @click="permission"
        >
          权限设置
        </el-button>
      </div>
      <div class="right-panel">
        <div class="right-panel-search">
          <el-input
            v-model="search.keyword"
            placeholder="角色名称"
            clearable
          />
          <el-button
            type="primary"
            icon="el-icon-search"
            @click="upsearch"
          />
        </div>
      </div>
    </el-header>
    <el-main class="nopadding">
      <scTable
        ref="table"
        :api-obj="apiObj"
        row-key="id"
        stripe
        @selection-change="selectionChange"
      >
        <el-table-column
          type="selection"
          width="50"
        />
        <el-table-column
          label="#"
          type="index"
          width="50"
        />
        <el-table-column
          label="角色名称"
          prop="label"
          width="150"
        />
        <el-table-column
          label="别名"
          prop="alias"
          width="200"
        />
        <el-table-column
          label="排序"
          prop="sort"
          width="80"
        />
        <el-table-column
          label="状态"
          prop="status"
          width="80"
        >
          <template #default="scope">
            <el-switch
              v-model="scope.row.status"
              :loading="scope.row.$switch_status"
              active-value="1"
              inactive-value="0"
              @change="changeSwitch($event, scope.row)"
            />
          </template>
        </el-table-column>
        <el-table-column
          label="创建时间"
          prop="date"
          width="180"
        />
        <el-table-column
          label="备注"
          prop="remark"
          min-width="150"
        />
        <el-table-column
          label="操作"
          fixed="right"
          align="right"
          width="170"
        >
          <template #default="scope">
            <el-button-group>
              <el-button
                text
                type="primary"
                size="small"
                @click="table_show(scope.row, scope.$index)"
              >
                查看
              </el-button>
              <el-button
                text
                type="primary"
                size="small"
                @click="table_edit(scope.row, scope.$index)"
              >
                编辑
              </el-button>
              <el-popconfirm
                title="确定删除吗？"
                @confirm="table_del(scope.row, scope.$index)"
              >
                <template #reference>
                  <el-button
                    text
                    type="primary"
                    size="small"
                  >
                    删除
                  </el-button>
                </template>
              </el-popconfirm>
            </el-button-group>
          </template>
        </el-table-column>
      </scTable>
    </el-main>
  </el-container>

  <save-dialog
    v-if="dialog.save"
    ref="saveDialog"
    @success="handleSaveSuccess"
    @closed="dialog.save=false"
  />

  <permission-dialog
    v-if="dialog.permission"
    ref="permissionDialog"
    @closed="dialog.permission=false"
  />
</template>

<script>
import saveDialog from './save'
import permissionDialog from './permission'

export default {
  name: 'Role',
  components: {
    saveDialog,
    permissionDialog
  },
  data() {
    return {
      dialog: {
        save: false,
        permission: false
      },
      apiObj: this.$API.system.role.list,
      selection: [],
      search: {
        keyword: null
      }
    }
  },
  methods: {
    //添加
    add(){
      this.dialog.save = true
      this.$nextTick(() => {
        this.$refs.saveDialog.open()
      })
    },
    //编辑
    table_edit(row){
      this.dialog.save = true
      this.$nextTick(() => {
        this.$refs.saveDialog.open('edit').setData(row)
      })
    },
    //查看
    table_show(row){
      this.dialog.save = true
      this.$nextTick(() => {
        this.$refs.saveDialog.open('show').setData(row)
      })
    },
    //权限设置
    permission(){
      this.dialog.permission = true
      this.$nextTick(() => {
        this.$refs.permissionDialog.open()
      })
    },
    //删除
    async table_del(row){
      var reqData = {id: row.id}
      var res = await this.$API.demo.post.post(reqData);
      if(res.code == 200){
        this.$refs.table.refresh()
        this.$message.success("删除成功")
      }else{
        this.$alert(res.message, "提示", {type: 'error'})
      }
    },
    //批量删除
    async batch_del(){
      this.$confirm(`确定删除选中的 ${this.selection.length} 项吗？如果删除项中含有子集将会被一并删除`, '提示', {
        type: 'warning'
      }).then(() => {
        const loading = this.$loading();
        this.$refs.table.refresh()
        loading.close();
        this.$message.success("操作成功")
      }).catch(() => {

      })
    },
    //表格选择后回调事件
    selectionChange(selection){
      this.selection = selection;
    },
    //表格内开关
    changeSwitch(val, row){
      row.status = row.status == '1'?'0':'1'
      row.$switch_status = true;
      setTimeout(()=>{
        delete row.$switch_status;
        row.status = val;
        this.$message.success("操作成功")
      }, 500)
    },
    //搜索
    upsearch(){

    },
    //根据ID获取树结构
    filterTree(id){
      var target = null;
      function filter(tree){
        tree.forEach(item => {
          if(item.id == id){
            target = item
          }
          if(item.children){
            filter(item.children)
          }
        })
      }
      filter(this.$refs.table.tableData)
      return target
    },
    //本地更新数据
    handleSaveSuccess(data, mode){
      if(mode=='add'){
        this.$refs.table.refresh()
      }else if(mode=='edit'){
        this.$refs.table.refresh()
      }
    }
  }
}
</script>

<style>
</style>
